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Supplemental Balance Sheet Information (Tables) | 12 Months Ended
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Sep. 30, 2019
Balance Sheet Related Disclosures [Abstract] |
Schedule Of Selected Supplemental Balance Sheet Information [Table Text Block] | Selected supplemental balance sheet information is presented below.
| September 30,
| 2019 |  | 2018
| (in millions)
Inventories: |  |  |
Purchased components and raw material | $ | 95.2 |  |  | $ | 81.6 |
Work in process | 43.7 |  |  | 37.8 |
Finished goods | 52.5 |  |  | 37.2 |
| $ | 191.4 |  |  | $ | 156.6 |
Other current assets: |  |  |
Maintenance and repair tooling | $ | 4.2 |  |  | $ | 3.5 |
Income taxes | 4.7 |  |  | 1.6 |
Other | 17.1 |  |  | 12.4 |
| $ | 26.0 |  |  | $ | 17.5 |
Property, plant and equipment: |  |  |
Land | $ | 5.2 |  |  | $ | 5.4 |
Buildings | 68.9 |  |  | 55.9 |
Machinery and equipment | 362.9 |  |  | 311.4 |
Construction in progress | 48.0 |  |  | 22.2 |
| $ | 485.0 |  |  | $ | 394.9 |
Accumulated depreciation | (267.9 | ) |  | (244.0 | )
| $ | 217.1 |  |  | $ | 150.9 |
Other current liabilities: |  |  |
Compensation and benefits | $ | 28.5 |  |  | $ | 31.7 |
Customer rebates | 8.7 |  |  | 9.7 |
Taxes other than income taxes | 3.3 |  |  | 3.3 |
Warranty | 6.5 |  |  | 6.0 |
Environmental | 1.2 |  |  | 1.2 |
Income taxes | 0.6 |  |  | 7.6 |
Interest | 7.3 |  |  | 8.0 |
Restructuring and severance | 1.7 |  |  | 0.9 |
Walter Tax Liability | 22.0 |  |  | — |
Other | 13.2 |  |  | 8.0 |
| $ | 93.0 |  |  | $ | 76.4 |

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